Home / 735,021.30-1,102,661.55-261,981.30

Finding the Fourth Proportional to 735,021.30, 1,102,661.55 and 261,981.30

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Solution

The fourth proportional to 735,021.30, 1,102,661.55 and 261,981.30 is: 393,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,021.30 : 1,102,661.55 = 261,981.30 : x
  2. Step 2: Convert to fraction form
    735,021.30/1,102,661.55 = 261,981.30/x
  3. Step 3: Cross multiply
    735,021.30x = 1,102,661.55 × 261,981.30
  4. Step 4: Simplify right side
    735,021.30x = 288,876,706,329.02
  5. Step 5: Solve for x
    x = 288,876,706,329.02/735,021.30
  6. Step 6: Final answer
    x = 393,018.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.